Psychology must be based on observable phenomena, not abstractions.

The most profound technologies are those that disappear. They weave themselves into the fabric of everyday life until they are indistinguishable from it.

We must dare to dream, dare to practice, dare to fail, and dare to succeed.

人类的状况是不断的斗争，但也是无尽的可能性。

Change your focus, change your life.

人们为了被原谅，会去原谅别人。

1998年就国际外交政策发表观点时引用美国黑手党首领艾尔·卡彭曾经说过的话。